Factor them.
2 x 2 x 2 x 2 x 3 = 48
2 x 2 x 3 x 7 = 84
Select the common factors.
2 x 2 x 3 = 12, the GCF
The GCF is 12.
The GCF is 12.
The GCF is 12.
The GCF is 6.
The GCF is 2.
The GCF is: 12.
The GCF is 12.
The GCF of 96 and 48 is 48. The GCF of 84 and 12 is 12.
The GCF is 1.
The GCF is 12.
The GCF is 1.
The GCF is 12.